const electron = require('electron')
const app = electron.app

module.exports = {
    handleSquirrelEvent: function () {
        if (process.argv.length === 1) {
            return false;
        }

        const ChildProcess = require('child_process');
        const path = require('path');

        const appFolder = path.resolve(process.execPath, '..');
        const rootAtomFolder = path.resolve(appFolder, '..');
        const updateDotExe = path.resolve(path.join(rootAtomFolder, 'Update.exe'));
        const exeName = path.basename(process.execPath);
        const spawn = function (command, args) {
            let spawnedProcess, error;

            try {
                spawnedProcess = ChildProcess.spawn(command, args, { detached: true });
            } catch (error) { }

            return spawnedProcess;
        };

        const spawnUpdate = function (args) {
            return spawn(updateDotExe, args);
        };

        const squirrelEvent = process.argv[1];
        switch (squirrelEvent) {
            case '--squirrel-install':
            case '--squirrel-updated':
                // Optionally do things such as:
                // - Add your .exe to the PATH
                // - Write to the registry for things like file associations and
                // explorer context menus

                // Install desktop and start menu shortcuts
                spawnUpdate(['--createShortcut', exeName]);

                setTimeout(app.quit, 1000);
                return true;

            case '--squirrel-uninstall':
                // Undo anything you did in the --squirrel-install and
                // --squirrel-updated handlers

                // Remove desktop and start menu shortcuts
                spawnUpdate(['--removeShortcut', exeName]);

                setTimeout(app.quit, 1000);
                return true;

            case '--squirrel-obsolete':
                // This is called on the outgoing version of your app before
                // we update to the new version - it's the opposite of
                // --squirrel-updated

                app.quit();
                return true;
        }
    }
}
